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EURACAN/IASLC proposals for updating the histologic classification of pleural mesothelioma: towards a more multidisciplinary approach.
Journal of Thoracic Oncology ( IF 20.4 ) Pub Date : 2020-01-01 , DOI: 10.1016/j.jtho.2019.08.2506
Andrew G Nicholson 1 , Jennifer L Sauter 2 , Anna K Nowak 3 , Hedy L Kindler 4 , Ritu R Gill 5 , Martine Remy-Jardin 6 , Samuel G Armato 7 , Lynnette Fernandez-Cuesta 8 , Raphael Bueno 9 , Nicolas Alcala 8 , Matthieu Foll 8 , Harvey Pass 10 , Richard Attanoos 11 , Paul Baas 12 , Mary Beth Beasley 13 , Luka Brcic 14 , Kelly J Butnor 15 , Lucian R Chirieac 16 , Andrew Churg 17 , Pierre Courtiol 18 , Sanja Dacic 19 , Marc De Perrot 20 , Thomas Frauenfelder 21 , Allen Gibbs 22 , Fred R Hirsch 23 , Kenzo Hiroshima 24 , Aliya Husain 25 , Sonja Klebe 26 , Sylvie Lantuejoul 27 , Andre Moreira 28 , Isabelle Opitz 29 , Maurice Perol 30 , Anja Roden 31 , Victor Roggli 32 , Arnaud Scherpereel 33 , Frank Tirode 34 , Henry Tazelaar 35 , William D Travis 2 , Ming-Sound Tsao 36 , Paul van Schil 37 , Jean Michel Vignaud 38 , Birgit Weynand 39 , Loic Lang-Lazdunski 40 , Ian Cree 41 , Valerie W Rusch 42 , Nicolas Girard 43 , Francoise Galateau-Salle 44
Affiliation  

INTRODUCTION Molecular and immunologic breakthroughs are transforming the management of thoracic cancer, although advances have not been as marked for malignant pleural mesothelioma (MPM) where pathologic diagnosis has been essentially limited to three histologic subtypes. METHODS A multidisciplinary group (pathologists, molecular biologists, surgeons, radiologists and oncologists), sponsored by EURACAN/IASLC met in 2018, to critically review the current classification. RESULTS Recommendations include: 1) classification should be updated to include architectural patterns, and stromal and cytologic features that refine prognostication 2) subject to data accrual, malignant mesothelioma in situ could be an additional category, 3) grading of epithelioid MPMs should be routinely undertaken, 4) favorable/unfavorable histologic characteristics should be routinely reported, 5) clinically relevant molecular data (PD-L1, BAP1, CDKN2A) should be incorporated into reports, if undertaken, 6) other molecular data should be accrued as part of future trials 7) resection specimens (i.e. extended pleurectomy/decortication and extrapleural pneumonectomy) should be pathologically staged with smaller specimens being clinically staged, 8) ideally, at least 3 separate areas should be sampled from the pleural cavity, including areas of interest identified on pre-surgical imaging, 9) image-acquisition protocols/imaging terminology should be standardized to aid research/refine clinical staging, 10) multidisciplinary tumor boards should include pathologists to ensure appropriate treatment options are considered, 11) all histologic subtypes should be considered potential candidates for chemotherapy, 12) patients with sarcomatoid or biphasic mesothelioma should not be excluded from first line clinical trials unless there is a compelling reason, 13) tumor subtyping should be further assessed in relation to duration of response to immunotherapy, 14) systematic screening of all patients for germline mutations is not recommended, in the absence of a family history suspicious for BAP1 syndrome. CONCLUSION These multidisciplinary recommendations for pathology classification and application will allow more informative pathologic reporting and potential risk stratification, to support clinical practice, research investigation and clinical trials.

中文翻译:

EURACAN/IASLC 更新胸膜间皮瘤组织学分类的建议:走向更加多学科的方法。

引言 分子和免疫学上的突破正在改变胸癌的治疗,尽管恶性胸膜间皮瘤 (MPM) 的病理诊断基本上仅限于三种组织学亚型,但进展并不明显。方法 由 EURACAN/IASLC 赞助的多学科小组(病理学家、分子生物学家、外科医生、放射科医师和肿瘤学家)于 2018 年召开会议,以批判性地审查当前的分类。结果 建议包括:1) 分类应更新以包括结构模式、基质和细胞学特征,以改善预后 2) 受制于数据累积,原位恶性间皮瘤可能是一个额外的类别,3) 应定期进行上皮样 MPM 的分级, 11) 所有组织学亚型都应被视为化疗的潜在候选者,12) 除非有令人信服的理由,否则不应将肉瘤样或双相间皮瘤患者排除在一线临床试验之外,13) 应进一步评估与持续时间相关的肿瘤亚型对免疫疗法的反应,14) 不建议对所有患者进行系统性筛查以发现种系突变,如果没有疑似 BAP1 综合征的家族史。结论 这些关于病理学分类和应用的多学科建议将允许提供更多信息性病理报告和潜在风险分层,以支持临床实践、研究调查和临床试验。12) 除非有令人信服的理由,否则不应将肉瘤样或双相间皮瘤患者排除在一线临床试验之外,13) 应进一步评估与免疫治疗反应持续时间相关的肿瘤亚型,14) 系统筛查所有患者的生殖系在没有怀疑 BAP1 综合征的家族史的情况下,不推荐突变。结论 这些关于病理学分类和应用的多学科建议将允许提供更多信息性病理报告和潜在风险分层,以支持临床实践、研究调查和临床试验。12) 除非有令人信服的理由,否则不应将肉瘤样或双相间皮瘤患者排除在一线临床试验之外,13) 应进一步评估与免疫治疗反应持续时间相关的肿瘤亚型,14) 系统筛查所有患者的生殖系在没有怀疑 BAP1 综合征的家族史的情况下,不推荐突变。结论 这些关于病理学分类和应用的多学科建议将允许提供更多信息性病理报告和潜在风险分层,以支持临床实践、研究调查和临床试验。14) 不推荐对所有患者进行生殖系突变的系统筛查,如果没有疑似 BAP1 综合征的家族史。结论 这些关于病理学分类和应用的多学科建议将允许提供更多信息性病理报告和潜在风险分层,以支持临床实践、研究调查和临床试验。14) 不推荐对所有患者进行生殖系突变的系统筛查,如果没有疑似 BAP1 综合征的家族史。结论 这些关于病理学分类和应用的多学科建议将允许提供更多信息性病理报告和潜在风险分层,以支持临床实践、研究调查和临床试验。
更新日期:2020-01-01
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